carl9170: add Airlive X.USB a/b/g/n USBID

"AirLive X.USB now works perfectly under a Linux
environment!"

Cc: <stable@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index 537732e..f82c400 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -118,6 +118,8 @@
 	{ USB_DEVICE(0x057c, 0x8402) },
 	/* Qwest/Actiontec 802AIN Wireless N USB Network Adapter */
 	{ USB_DEVICE(0x1668, 0x1200) },
+	/* Airlive X.USB a/b/g/n */
+	{ USB_DEVICE(0x1b75, 0x9170) },
 
 	/* terminate */
 	{}